iSpring F3 6-Month Prefilter Replacement Cartridge Pack for RO Systems, White

The iSpring F3 premium quality 10" x 2.5" replacement pre-filter set is designed to extend the lifespan of your reverse osmosis membrane using innovative filtering technology. This set includes three pieces of replacement water filters: a high-quality multi-layer sediment filter for the 1st stage, a GAC loose carbon filter for the 2nd stage, and a CTO carbon block filter for the 3rd stage.

The 1st stage sediment filter helps reduce clogs and minimize pressure loss, while the 2nd stage GAC filter traps residual sediments to prevent clogging of the CTO filter in the 3rd stage. The GAC filter utilizes high-quality coconut shell carbon and 1.5mm tiny pore carbon particles for maximum filtration efficiency and longevity.

The CTO carbon block filter in the 3rd stage is made of bonded powered activated carbon filter media wrapped in a polyolefin pre-filter with polyethylene outer netting. It effectively removes chlorine chemicals, tastes, and odors from your water. Each filter in this set is individually wrapped for convenience, and the high capacity prefilter replacement cartridge pack is designed to last up to 6 months.

Experience clean, safe, and great-tasting water every time you use your faucet with this replacement filter set. Please note that this pack does not include an RO membrane. If you encounter any difficulties during installation, refer to the user manual or contact us for assistance.

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